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 Class 7 Mathematics: questions and answers on volume

The diagram below represents a cylindrical solid of diameter 56cm. The solid has a circular hole of radius 7cm. The length of the solid is 120cm.
What is the volume of the solid? (Take #pi=22/7#)
A. 18480#cm^3#
B. 295680#cm^3#
C. 314160#cm^3#
D. 277200#cm^3#

 (6m 28s)
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